When formatting a newly created LUN on OceanStor V3, LUN formatting fails. Which of the following conditions will cause this problem? (Multiple choice)
The N8000 file system is based on dynamic hierarchical storag. Through the multi-volume file system, you can achieve the same file system text pieces stored in different levels of storage media, such as hot data and ordinary data stored in the SSD disk and SATA disk.
When planning a dual-active disaster recovery solution, the business end adopts the cluster application. Which of the following cluster applications can support the AA working mode?
Which of the following description of the application of NDMP backup on the OceanStor 9000 V100R001C30 is wrong?
Existing set customer of database uses a raw device, due to the large amount of data in the database. The customer plans to replace the old storage with new storage devices.
In the process of environmental inspection lvcb engineers found the following:
#getlvcb -TA sjklv
Intrapolicy =
copies = 0
interpolicy =
lvid =
lvname =
label =
machine id =
number Ips = 0
relocatable =
strict =
stripe width = 0
stripe size in exponent = 0
type =
upperbound = 0
fs =
time created = time modified =
As the vg is too large, the expansion of vg is impossible. As the service window is very short, and customers do not want to avoid the risk of large adjustments of the whole original environment, what is the recommended approach?
What kind of technology in an active-active disaster recovery solution can realize the traffic distribution between servers in different regions on the wide area network (including the Internet), keeping access quality with the best server from your nearest customer?
An MSCS Two-Node Cluster Interconnects with Disk Arrays via the iSCSI Protocol in a Multipathing Environment and Multipathing Software installed on Each Node. You build the cluster configuration using the wizard and part of the description shows that the quorum disk and resource disk can not be online. The following statement is correct regarding this scenario:
The WORM feature of OceanStor V3 adds the WORM attribute to the common file system so that files in the file system can only be read not be written.
To use the storage space of OceanStor V3 more efficiently, a customer has specified file system quotas for different departments. If a soft quota alarm is generated for the file system used by department A, which methods can be used to clear the alarm and ensure that new data can be successfully written?
(Multiple Choice)
A file system in a clustered NAS system performs heartbeat synchronization between nodes. When the heartbeat is interrupted, the N8000 cluster is split into multiple small groups, resulting in data loss. The N8000 provides a fencing function to avoid the occurrence of the split-brain issue. Which of the following descriptions of the role of fencing correct?
Using Simpana for backup, you set this policy as follows: The retention period of data is 15 days and 2 periods, once every 10 days. How many days will data be retained after the failure?
When using OceanStor V3, you need to mount the file system snapshot to access the snapshot data.
Which of the following statement regarding the Huawei disaster recovery solution on the implementation of disaster recovery exercise is wrong?
In the scenario of database protection, when the slave uses the virtual snapshot to verify LUN data consistency on the production end and the DR end and the disaster recovery end LUN database can not be started normally. Which of the following are the possible reasons for this? (multiple choice)
In a disaster recovery plan design, RTO and RPO are the most basic standards. For example, you need to start recovery within half a day after a disaster and the RTO value is twelve hours.
Due to business needs, when a reboot operation is performed on a VTL6900 (including the VTL engine, SIR engine, storage unit, and optical switch) which description is correct? (Multiple choice)
A customer RAID 5 fails in the OceanStor v3 storage array. After the engineer reclaims the RAID group to the degraded state through commands, the RAID group tries to rebuild, but reconstruction failed many times, which of the following is correct (multiple choice).
Which of the following feature is correct about the OceanStor V3 volume mirroring? (Multiple choice.)
HPUX system has two user volume groups: VG01 and VG02. If you execute the following commands:
vgexport-v-s-p -m /tmp/vg01.map / dev / vg01 and vgexport-v -s -m /tmp/vg01.map / dev / vg02.
What will be available using vglist to view the volume?
To cluster the server's public IP address in an Oracle RAC deployment process, a private IP address is written to the / etc / hosts file, along with the Virtual IP address, cluster unique access IP address and public IP. Which of the following configuration is correct? (all subnet masks are 255.255.255.0)
A RedHat Linux 6 system includes a specific file folder read and write errors, the file system needs to be modified after the diagnosis. Which of the following is the correct repair operations?
Simpana storage strategy is an important parameter is data retention rules to determine the need to back up the contents of the backup time and backup methods. Each copy has an independent data retention period, each copy can be set using______. (Multiple choice.)
True or False, the SE Sparse virtual disk is a virtual disk format that reclaims space after the virtual machine's operating system has expired data or deleted data.
When a Simpana backup client failed to perform the backup task, the status reported the following error "failed to connect to indexing process from client [client] to [MediaAgent * MediaAgent * 8400 * 8402] .Error [Inability to connect to remote machine[MediaAgent] .Please check Network Connectivity or the machine may be down]." You check the client and the media service devices are normal. The possible reasons for this problem are:
In a customer environment with SuSE 10SP3, HBA QLogic QLE2562, using the operating system comes with HBA card driver. The storage array is Huawei OceanStor V3 storage. When storing the FC host port on the system and the HBA on the host. When the card port mode is inconsistent, it is usually recommended to modify the FC host port mode on the storage side to solve the problem.
When the storage controller BBU is damaged, the controller automatically sets the IO write policy to transparent and is locked to ensure data reliability. Before the fault is recovered, it can be forced to write back.
When one of the nodes in the Huawei N8000 cluster fails, the service IP address of the node cannot be accessed. Which of the following methods can recover the affected services?
There are many services in the 8500 clustered NAS system that support system functions, such as NFS and CIFS basic service groups. Each service group is a collection of resources, each resource has an agent responsible for managing these resources, the availability of these resources directly or indirectly affect the status of the service.
Which of the following is not an NFS service group resource agent?
In a Huawei disaster recovery plan, in order to implement the one-click disaster recovery operation for Oracle applications, you must configure the recovery in Replciation Director Plan. What configuration actions do you need to do on the Replication Director side before configuring the recovery plan? (Multiple choice.)
In a clustered environment, data is placed on the shared storage, and identities between peers are equal and have the same access to the data. It is required that the clusterware have a control mechanism for concurrent access to such peer permissions. In Oracle RAC, you use the _____ mechanism to do multiple node-to-node collisions control of access.
You are building out a large-scale FC storage network where all switches are cascaded. When multiple FC switches are cascaded, which of the following scenarios will cause the switch to isolate E_prot port? (multiple choice)
Which of the following is true regarding IP drift in the Huawei Oceanstor V3 storage system?
The MTTR indicator is used to describe the average continuous time of the failure of a product during operational use or testing.
Oracle database normally starts the opening state of the process. Which files must it read? (Multiple choice.)
A banking business running background storage system requirements are as follows:
(1) Business Impact. The business impact generated by the operating system is about 100KB.
(2) The service operation system is the whole GE network. The server and operating system are GE network. Follow-up to consider the business needs to upgrade to 10GE.
(3) Only requires 72TB of total space, the latter expansion priority to expand the disk
(4) Only 20U of rack space is reserved for the current storage devices.
The configuration of three nodes and switches is prioritized to meet the requirements of the machine room. Cabinet planning based on the above requirements.
What are the more appropriate networking solutions?
In a Huawei OceanStor 18000 the engine, SVP, disk enclosure, and PCIe switch interconnections must be in accordance with certain rules and order. Which of the following statement is incorrect?
Maintaining a persistent connection between host and storage, ESXi must support multipathing. Which of the following statements is incorrect regarding multipathing for VMware vSphere 5.5?
What are the design information research activities in a backup solution? (Multiple choice.)
The OceanStor V3 storage system has 96 hard disks in one hard disk domain. To maximize the performance of the hard disk, it is recommended to use the LUNs in the hard disk domain.
The total number of hard disks is not less than:
In the OceanStor 18000 storage system, a 15K RPM SAS disk is used. Assuming that the average seek latency of this type of disk is 6 ms. which type of disk can provide a single disk IOPS?
True or False, the disaster recovery plan of Huawei means that when the production site fails, the production business is automatically switched to run the disaster recovery site.
Assuming a site data volume of 600GB, A, B site replication bandwidth between 40% of GE network resources, and asynchronous remote replication synchronization. If the synchronization time is 180 minutes and begins at 9:00 AM, when will the next synchronization start?
A N8500 (V200R001) clustered NAS system with a set of storage units at the back end. Three RAID Groups, respectively named RG1, RG2, RG3 have been created on the storage unit. There are two LUNs under each RAID group, the capacity of each LUN is 12G.
The names are RG1-LUN1, RG1-LUN2, RG2-LUN1, RG2-LUN2, RG3-LUN1, RG3-LUN2, and all LUNs are added to one in storage pool. The purpose is to create a file system based on these LUNs. What of the following will certainly create a failure?
What commands are used for viewing SCSI controller information on Linux systems with Qlogic HBAs?
Which description of the N8000 Clustered NAS file system snapshot features and their application is wrong?
Which of the following describes the correct process of disaster recovery and Huawei disaster recovery solution?
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TESTED 21 Nov 2024
